/*
 * Copyright (c) 2024 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.alibaba.fluss.config;

import java.io.Serializable;

/** A wrapper class for passwords to hide them while logging a config. */
public class Password implements Serializable {
    private static final long serialVersionUID = 1L;
    // the hidden content to be displayed
    public static final String HIDDEN_CONTENT = "******";

    private final String value;

    /**
     * Construct a new Password object.
     *
     * @param value The value of a password
     */
    public Password(String value) {
        this.value = value;
    }

    @Override
    public int hashCode() {
        return value.hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof Password)) {
            return false;
        }
        Password other = (Password) obj;
        return value.equals(other.value);
    }

    /**
     * Returns hidden password string.
     *
     * @return hidden password string
     */
    @Override
    public String toString() {
        return HIDDEN_CONTENT;
    }

    /**
     * Returns real password string.
     *
     * @return real password string
     */
    public String value() {
        return value;
    }
}
